Sarpong, A.-M. K., Boakye, A. B., Amponsah, A., & Yeboah, C. (2013). Analytic Study Of The Trend Of Ghanas GDP Before And After Re-basing. International Business & Economics Research Journal (IBER), 12(3), 301–310. https://doi.org/10.19030/iber.v12i3.7673